That was way more difficult that it should have 🎥: sambuchalul PS: This was fun to do but it’s not the way we actually test for lung function. If your breathing is natural, comes easily and not forced, is steady and makes you feel good, or is so regular you do not notice it at all, your lungs are most likely healthy. #lungs #medical #doctor #holdyourbreath #medicalhumor #lunghealth #doctorreacts